Objects in the image:
category: bus
category: umbrella
category: person
category: umbrella
category: person
category: person
category: person
category: potted plant
category: person
category: person
category: person
category: traffic light
category: umbrella
category: truck
category: umbrella
category: umbrella
category: backpack

Guessing-game dialogue about one of the objects:
q: is the object a person?
a: No
q: is the object a traffic light?
a: No
q: is the object a sign?
a: No
q: is the object a vehicle?
a: No
q: is the object a building?
a: No